WJLXT901ALC.A4 Cortina Systems Inc, WJLXT901ALC.A4 Datasheet - Page 23

• Manufacturer Part Number: WJLXT901ALC.A4
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT901ALC.A4

• Lead Free Status / RoHS Status: Compliant

Datasheet
Document #: 249097
Revision #: 002
Rev. Date: June 19, 2001
Figure 9. LAN Adapter Board - Auto Port Select with External LPBK Control
NS8390 BACK-END
PROGRAMMING
Green Red Red Red
CONTROLLER
330
INTERFACE
LOOPBACK
LINE STATUS
1
2
OPTIONS
ENABLE
REMOTE
STATUS
Optional: Centertap capacitor may improve EMC depending on board layout and system design.
Bias resistor RBIAS should be located close to the pin and isolated from other signals.
330
+5 V
0.1 F
330
330
RXC
RXD
CRS
COL
LBK
TXD
TXE
TXC
20 pF
TEST
DSQE (907)
STP (901)
TXD
TEN
TCLK
RCLK
RXD
CD
COL
LBK
PAUI
AUTOSEL
NTH
MD0
MD1
RJAB
RLD
RCMPT
JAB
PLR
LEDC/FDE
LEDR
LEDT/PDN
LEDL
VCC1
VCC2
LI
CLKI
20 MHz
Universal 10BASE-T and AUI Transceivers — LXT901/907
CLKO
20 pF
GND1
TPOPA
TPONB
TPONA
TPOPB
RBIAS
GND2
TPIN
TPIP
DON
DOP
CIN
DIN
CIP
DIP
78
12.4 k
78
78
24.9
1
24.9
0.1 F
50
50
5
7
8
1
2
4
2
1 : 1
1 : 1
15
1
16
13
12
10
3
6
8
9
1 : 2
1 : 1
16
14
11
9
Chassis
10
11
12
13
14
15
9
Gnd
1
2
3
4
5
6
7
8
RJ45
6
5
4
3
2
1
+ 12 V
Fuse
23